AT28BV256-20TU Atmel, AT28BV256-20TU Datasheet - Page 16

• Manufacturer Part Number: AT28BV256-20TU
• Description: IC EEPROM 256KBIT 200NS 28TSOP
• Manufacturer: Atmel

Specifications of AT28BV256-20TU

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 200ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-TSOP
• Capacitance, Input: 4 pF
• Capacitance, Output: 8 pF
• Current, Input, Leakage: 10 μA
• Current, Operating: 15 mA
• Current, Output, Leakage: 10
• Data Retention: 10 yrs.
• Density: 256K
• Organization: 32K×8
• Package Type: TSOP
• Power Dissipation: 54 mW
• Temperature, Operating: -40 to +85 °C
• Time, Access: 200 ns
• Time, Address Hold: 50
• Voltage, Input, High: 2 V
• Voltage, Input, Low: 0.6 V
• Voltage, Output, High: 2 V
• Voltage, Output, Low: 0.3 V
• Voltage, Supply: 2.7 to 3.6 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25.3
16
Notes:
28T – TSOP
AT28BV256
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MO-183.
2. Dimensions D1 and E do not include mold protrusion. Allowable
3. Lead coplanarity is 0.10 mm maximum.
protrusion on E is 0.15 mm per side and on D1 is 0.25 mm per side.
Pin 1 Identifier Area
e
E
TITLE
28T, 28-lead (8 x 13.4 mm) Plastic Thin Small Outline
Package, Type I (TSOP)
A1
b
PIN 1
D1 D
A2
A
SEATING PLANE
0º ~ 5º
SYMBOL
L
A
A1
A2
D
D1
E
L
L1
b
c
e
13.20
11.70
COMMON DIMENSIONS
0.05
0.90
7.90
0.50
0.17
0.10
MIN
(Unit of Measure = mm)
L1
–
GAGE PLANE
c
0.25 BASIC
0.55 BASIC
13.40
11.80
NOM
1.00
8.00
0.60
0.22
–
–
–
DRAWING NO.
13.60
11.90
MAX
1.20
0.15
1.05
8.10
0.70
0.27
0.21
28T
0273K–PEEPR–2/09
Note 2
Note 2
NOTE
12/06/02
REV.
C